Question: 1 4 . 5 3 A 3 - in . - by - 1 2 - in . ( S 4 S ) scaffold timber

14.53 A 3-in.-by-12-in.(S4S) scaffold timber plank is laid flatwise on supports that are 8 ft apart. Calculate the allowable uniformly distributed load that can be carried by the plank. The allowable bending stress is 1600 psi and the allowable shear stress is 100 psi. Neglect the weight of the plank.
1 4 . 5 3 A 3 - in . - by - 1 2 - in . ( S 4 S )

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